2939139 has 16 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 1679400.

The previous prime is 2939137. The next prime is 2939143. The reversal of 2939139 is 9319392.

It is not a de Polignac number, because 2939139 - 2¹ = 2939137 is a prime.

It is a super-2 number, since 2×2939139² = 17277076122642, which contains 22 as substring.

2939139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2939137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7587 + ... + 7964.

It is an arithmetic number, because the mean of its divisors is an integer number (311040).

2^2939139 is an apocalyptic number.

2939139 is a deficient number, since it is larger than the sum of its proper divisors (2037501).

2939139 is a wasteful number, since it uses less digits than its factorization.

2939139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15567 (or 15561 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 2939139 is about 1714.3917288648. The cubic root of 2939139 is about 143.2429891583.

The spelling of 2939139 in words is "two million, nine hundred thirty-nine thousand, one hundred thirty-nine".